梯形烷
梯形烷(英文:ladderane),又称梯烷,是一种含有两个或多个稠合四元环的环烷烃。它的英文名ladderane是一个混成词,因为四元环的排列形状类似于梯子,并且是一种烷烃。有n个环的梯形烷化学式为C2n+2H2n+6。梯形烷的空间构型张力很大,因为碳原子上的配体不能使用正常的键角来成键。然而,梯形烷的例子已经在生物体内被发现。[1] 一个典型的例子是五环厌氧氨氧化酸(Pentacycloanammoxic Acid),[2] 它由五个稠合的环丁烷单元构成。它在细菌中进行厌氧氨氧化过程,这使得它形成了紧且厚的膜,这阻止了生物体失去肼中间体。后者参与了氮的产生和亚硝酸根离子与氨反应生成水。[3]
参考资料
- Nouri, D H, Tantillo, D J. . Curr. Org. Chem. 2006, 10 (16): 2055–2074. doi:10.2174/138527206778742678.
- J. S. Sinninghe Damsté, M. Strous, W. I. C. Rijpstra, E. C. Hopmans, J. A. J. Geenevasen, A. C. T. van Duin, L. A. van Niftrik and M. S. M. Jetten. . Nature. 2002, 419 (6908): 708–712. PMID 12384695. doi:10.1038/nature01128.
- Vincent Mascitti and E. J. Corey. . J. Am. Chem. Soc. 2006, 128 (10): 3118. PMID 16522072. doi:10.1021/ja058370g.
- Nouri, D H and Tantillo, D J. . : COMP 247.
- Henning Hopf. "Chains, rings, substituents: Tales from the marvelous edifice of modern organic chemistry." Lecture at the 234th American Chemical Society National Meeting in Boston, MA on Tuesday, August 21, 2007, 2:45 to 3:30 PM.
- Ladderane lipids website, UC Davis (页面存档备份,存于)
参见
- 环丁烷
- 名稱獨特的化學物質列表
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